What kind of idle can I expect with this COMP Cams camshaft?

This camshaft is designed to produce a rough, noticeable idle. It's part of the 'Classic Mutha' Thumpr' series, indicating a performance-oriented sound that lets people know your engine is built for more than just cruising.

What other modifications are recommended when installing this camshaft?

For optimal performance, COMP Cams recommends pairing this camshaft with at least 9:1 compression, a torque converter with a 2500+ stall speed, upgraded intake, appropriate gearing, and headers. Aluminum heads are also recommended.

Can this camshaft be used in California?

No, this camshaft is not CARB approved and cannot be shipped to California due to emissions regulations.

1958-1965 Chevrolet Bel Air Camshaft

Name: COMP Cams Camshaft 348/409 287T H-107 T
Brand: COMP Cams
SKU: comp-cams-comp-cams-camshaft-348-409-287t-h-107-t-t14-4392542
Price: 378.83 USD
Availability: BackOrder

COMP Cams Camshaft 348/409 287T H-107 T

$378.83

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 1958-1965 Chevrolet Bel Air. COMP Cams hydraulic flat camshaft for 348-409 engines, offering high performance for street/strip use.

Key Features

Fits 1958-1965 Chevrolet Bel Air, Biscayne, Brookwood, Del Ray, and Impala.
COMP Cams Classic Mutha' Thumpr camshaft for Chevrolet 348-409 engines.
Hydraulic flat tappet design with 234/249 degree intake/exhaust duration.
Suitable for high-performance street and strip applications.
Requires 9:1 compression, 2500+ stall torque converter, intake, gears, and headers.
Aluminum heads are recommended for optimal performance.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

COMP Cams is well-known for making performance camshafts that help engines breathe better and make more power. This Classic Mutha' Thumpr camshaft is built for Chevrolet 348 and 409 engines, specifically targeting the 1958-1965 Bel Air, Biscayne, Brookwood, Del Ray, and Impala models. If you're looking to build a high-performance street or strip machine, this camshaft can help you achieve that rough idle and aggressive sound you're after.

This is a hydraulic flat tappet camshaft with a 234/249 degree intake/exhaust duration. For best results, it needs at least 9:1 compression and a torque converter with a 2500+ stall speed, along with intake, gears, and headers. Aluminum heads are also recommended to get the most out of this cam. Expect a noticeable, rough idle that lets everyone know this isn't your average cruiser.

Keep in mind this camshaft is not CARB approved and cannot be shipped to California. It's designed for those who want a serious performance upgrade for their classic Chevrolet V8.